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Long Term Retention Plan (Details 1) (USD $)
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Long Term Retention Plan 2009 [Member]
   
Long Term Retention Plan accrued compensation expense    
Long term retention plan $ 677,819 $ 519,086
Long Term Retention Plan 2010 [Member]
   
Long Term Retention Plan accrued compensation expense    
Long term retention plan 584,157 507,977
Long Term Retention Plan 2011 [Member]
   
Long Term Retention Plan accrued compensation expense    
Long term retention plan $ 567,062